07597cd35
Denys Vlasenko
2018-12-18
Subject
bc: optimize zbc_lex_string()
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miscutils/bc.c+12 -7
| @@ -2986,17 +2986,22 @@ static BC_STATUS zbc_lex_identifier(BcLex *l) | |
| static BC_STATUS zbc_lex_string(BcLex *l) | |
| { | |
| - | size_t len, nls = 0, i = l->i; |
| - | char c; |
| + | size_t len, nls, i; |
| l->t.t = BC_LEX_STR; | |
| - | for (c = l->buf[i]; c != '\0' && c != '"'; c = l->buf[++i]) |
| + | nls = 0; |
| + | i = l->i; |
| + | for (;;) { |
| + | char c = l->buf[i]; |
| + | if (c == '\0') { |
| + | l->i = i; |
| + | RETURN_STATUS(bc_error("string end could not be found")); |
| + | } |
| + | if (c == '"') |
| + | break; |
| nls += (c == '\n'); | |
| - | |
| - | if (c == '\0') { |
| - | l->i = i; |
| - | RETURN_STATUS(bc_error("string end could not be found")); |
| + | i++; |
| } | |
| len = i - l->i; | |